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Leatherleaf Fern. The most common type of fern used in floral arrangements, leatherleaf fern is a robust shade-grown fern that retains its shiny appearance and deep green color when preserved. Its botanical name is Rumohra adiantiformis.It is very popular for its indefinite spreading and subsequent usefulness as a ground cover.ithout the right variety of ferns and greenery for balance, orchids will clash and drown in each other's ornateness and roses will may simply look gaudy. Many ferns used in floral arrangements are not true ferns but are members of the lily family, which are closely related to asparagus.
The gametophytes of ferns, however, are very different from those of seed plants. Instead, they resemble liverworts. A fern gametophyte typically consists of: 1  Prothallus: A green, photosynthetic structure that is one cell thick, usually heart or kidney shaped, 3â10 mm long and 2â8 mm broad.he gametophyte of ferns is a free-living organism, whereas the gametophyte of the gymnosperms and angiosperms is dependent on the sporophyte. Life cycle of a typical fern: 1  A diploid sporophyte phase produces haploid spores by meiosis (a process of cell division which reduces the number of chromosomes by a half).